South Korea (Country threat level – 2):

On 25 July 2010 the U.S. and South Korean navies launched a military exercise in the Sea of Japan, despite the fact that North Korea had warned of nuclear retaliation. The drill will last four days and involve 20 ships and 200 fixed-wing aircraft as well as 8,000 personnel from the two navies. South Korean military officials indicated that no unusual activity from North Koreas military has been detected.